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    • 13. 发明授权
    • Device with infusion holes for imaging inside a blood vessel
    • 具有用于在血管内成像的输注孔的装置
    • US07613503B2
    • 2009-11-03
    • US10216561
    • 2002-08-09
    • Mark Hamm
    • Mark Hamm
    • A61B6/00
    • A61M25/0068A61B1/00091A61B1/015A61B1/126A61B1/3137A61B8/12A61M25/007A61M2025/0073
    • An imaging device such as a catheter has a plurality of infusion holes adapted to infuse liquid into the blood stream while substantially preventing radial jetting. An example imaging catheter includes an elongated member, having distal and proximal ends, an axis, a lumen along the axis, and an outer surface. Preferably, a plurality of infusion holes are defined along the axis of said elongated member between the lumen and the outer surface. The plurality of infusion holes may be tapered from the outer surface to the lumen. Further, the plurality of infusion holes may be angled outwardly toward the proximal end of the elongated member. The size, shape, spacing and configuration of the infusion holes may be varied as desired.
    • 诸如导管的成像装置具有适于将液体注入血液流中的多个输注孔,同时基本上防止径向喷射。 示例性成像导管包括具有远端和近端的细长构件,轴线,沿着轴线的内腔和外表面。 优选地,沿着所述细长构件的轴线在内腔和外表面之间限定多个输注孔。 多个输注孔可以从外表面到内腔逐渐变细。 此外,多个输注孔可以朝向细长构件的近端向外成角度。 输注孔的尺寸,形状,间距和构型可以根据需要而改变。
    • 18. 发明申请
    • Ultrasound Energy Delivery Assembly
    • 超声能量输送装置
    • US20110046522A1
    • 2011-02-24
    • US12853706
    • 2010-08-10
    • Huey ChanSean McFerranStephen PorterDel KjosSteve ForcucciDavid ConstantineJeffrey J. VaitekunasKatie KaneMark Hamm
    • Huey ChanSean McFerranStephen PorterDel KjosSteve ForcucciDavid ConstantineJeffrey J. VaitekunasKatie KaneMark Hamm
    • A61N7/00
    • A61B17/22012A61B90/39A61B2017/22014
    • In a first embodiment, an ultrasound energy delivery assembly includes a waveguide and a catheter having a capture member. The capture member extends radially inward from an interior surface of the catheter into a lumen of the catheter and is configured to retain the enlarged distal tip so that the enlarged distal tip is temporarily prevented from moving proximally. In a second embodiment, an ultrasound energy delivery assembly includes a waveguide and a sheath covering at least a portion of the waveguide. In a third embodiment, an ultrasound energy delivery assembly includes a waveguide and a dual lumen catheter having a capture member. In a fourth embodiment, an ultrasound energy delivery assembly includes a waveguide and a catheter having a proximal waveguide lumen and a proximal guide wire lumen that merges with the proximal waveguide lumen at their respective distal ends to form a distal lumen. In a fifth embodiment, an ultrasound energy delivery assembly includes a waveguide and a catheter having a helical spring tip disposed over a distal section of the waveguide. In a sixth embodiment, an ultrasound energy delivery assembly includes a waveguide and a catheter extruded from a material such as expanded polytetrafluoroethylene. The catheter includes a braided layer having a multi-wire braided section and a single wire braided section formed from a braid wire from the multi-wire braided section.
    • 在第一实施例中,超声能量输送组件包括波导和具有捕获构件的导管。 捕获构件从导管的内表面径向向内延伸到导管的内腔中,并且构造成保持放大的远端尖端,使得放大的远端尖端被临时阻止向近侧移动。 在第二实施例中,超声能量输送组件包括波导和覆盖波导的至少一部分的护套。 在第三实施例中,超声能量输送组件包括波导和具有捕获构件的双腔导管。 在第四实施例中,超声能量输送组件包括波导和导管,其具有近端波导管腔和近端导丝管腔,其在其各自的远端处与近侧波导管腔合并以形成远端内腔。 在第五实施例中,超声波能量输送组件包括波导和导管,其具有设置在波导的远端部分上方的螺旋弹簧顶端。 在第六实施例中,超声能量输送组件包括波导和从诸如膨胀聚四氟乙烯的材料挤出的导管。 导管包括具有多丝编织部分的编织层和由多丝编织部分的编织线形成的单丝编织部分。